CN208142937U - A kind of contactlessly powered electricity getting device of automated guided vehicle - Google Patents
A kind of contactlessly powered electricity getting device of automated guided vehicle Download PDFInfo
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- CN208142937U CN208142937U CN201820287164.0U CN201820287164U CN208142937U CN 208142937 U CN208142937 U CN 208142937U CN 201820287164 U CN201820287164 U CN 201820287164U CN 208142937 U CN208142937 U CN 208142937U
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- circuit
- electricity getting
- getting device
- guided vehicle
- automated guided
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Abstract
The utility model discloses a kind of contactlessly powered electricity getting devices of automated guided vehicle, it includes solid power supply unit, primary coil and multiple AGV electricity getting devices, the power supply unit and the primary coil are fixedly installed and are connected with each other, the AGV electricity getting device and the primary coil are contactless, it is characterised in that：The power supply unit includes sequentially connected power supply, current rectifying and wave filtering circuit, high-frequency inverter circuit and resonant tank, the resonant tank is connect with the primary coil, and the AGV electricity getting device includes the electricity taking coil being sequentially connected, resonance circuit, rectification circuit, power conversion circuit；The AGV electricity getting device is by electricity taking coil and primary coil is contactless takes electricity.The contactlessly powered electricity getting device of the automated guided vehicle of the utility model greatly reduces the maintenance cost of wiring difficulty and battery, improves the degree easy to use of device.
Description
Technical field
The utility model relates to a kind of electricity getting devices of non-contact electric energy transmission system, belong to communications and transportation and industrial technology
A kind of field, and in particular to contactlessly powered electricity getting device of automated guided vehicle.
Background technique
Automated guided vehicle, which refers to, magnetically or optically waits homing guidances device equipped with electricity, can be along defined guide path row
It sails, the transport vehicle with safeguard protection and various transfer functions, the carrier of driver, traditional AGV is not required in industrial application
Power supply mode is mainly by having slide wire power supply and storage battery power supply.Slide wire power supply mode easily causes electric spark, while multiple
It is extremely inconvenient in miscellaneous path planning；Storage battery power supply mode needs periodically to carry out charge and discharge maintenance, and battery to battery
Restricted lifetime.
Summary of the invention
The purpose of utility model device seeks to solve deficiency in above-mentioned background technique, provides a kind of for guide tracked
The power supply unit of non-contact electric energy transmission system is not only simple in structure, is easy to install and use, and non-can connect to be guide tracked
The energy pickup device of touching electric energy transmission system provides stable electric current.
In order to solve the above technical problems, the utility model uses, such a automated guided vehicle is contactlessly powered to be taken
Electric installation comprising Gu power supply unit, primary coil and multiple AGV electricity getting devices, the power supply unit and the primary coil
It is fixedly installed and is connected with each other, the AGV electricity getting device and the primary coil are contactless, it is characterised in that：The power supply
Device includes sequentially connected power supply, current rectifying and wave filtering circuit, high-frequency inverter circuit and resonant tank, the resonant tank with it is described
Primary coil connection, the AGV electricity getting device includes the electricity taking coil being sequentially connected, resonance circuit, rectification circuit, power conversion
Circuit；The AGV electricity getting device is by electricity taking coil and primary coil is contactless takes electricity.
In a kind of preferred embodiment of the utility model, the AGV electricity getting device includes input interface circuit and defeated
Outgoing interface circuit, be connected in turn between the input interface circuit and the output interface circuit resonance circuit, rectification circuit,
Power conversion circuit and voltage regulator circuit.
In a kind of preferred embodiment of the utility model, the resonance circuit is the knot of the total secondary side magnetic core of Multiple coil
Structure is in series with the switch for adjusting output power grade on the secondary side magnetic core of each winding.
In a kind of preferred embodiment of the utility model, the secondary side magnetic core of each winding is ellipsoidal structure, and its
Central coaxial is provided with rectangle square hole.
In a kind of preferred embodiment of the utility model, the corresponding primary coil of secondary side magnetic core of each winding
Lower section is provided with magnetic conduction item.
In a kind of preferred embodiment of the utility model, the saturation magnetic induction degree of the magnetic conduction item is greater than what coil generated
Magnetic induction intensity.
In a kind of preferred embodiment of the utility model, the rectification circuit is that the full-bridge of four diodes composition is whole
Current circuit；
In a kind of preferred embodiment of the utility model, the voltage regulator circuit include sampling and detection circuit,
The output of the input terminal and the output interface circuit of control circuit, driving circuit, accessory power supply, the sampling and detection circuit
End is connected, and the sampling and the output end of detection circuit are connected with the input terminal of the control circuit, the control circuit it is defeated
Outlet is connected by the driving circuit with the power conversion circuit, the accessory power supply with it is described sample and detection circuit and
The driving circuit electrical connection.
In a kind of preferred embodiment of the utility model, the power conversion circuit includes inductance, diode, opens the light
Pipe and capacitor, it is described to open the light pipe and the capacitor is connected in parallel between the positive output end and negative output terminal of the rectification circuit, it is described
Inductance one end is connected with the positive output end of the rectification circuit, and the other end is connected with the pipe that opens the light；The diode setting exists
It is described to open the light between pipe and capacitor.
The utility model generate beneficial effect be：The automated guided vehicle of the utility model is contactlessly powered to take Denso
It sets, realizes automated guided vehicle and carry out taking electricity by contactless mode, supplied compared to traditional wired power supply and battery
The mode of electricity greatly reduces the maintenance cost of wiring difficulty and battery, improves the degree easy to use of device；Pass through rectified current
High-frequency ac voltage is converted to DC voltage by road, and realizes the adjustment to output voltage by voltage regulator circuit, makes to export
Voltage is more stable and accurate, can greatly improve the scope of application of electricity getting device, and accurate voltage output can be improved use
Electricity quality greatly improves the service life of device.
Detailed description of the invention
Fig. 1 is the wireless power transmission schematic diagram of the utility model embodiment；
Fig. 2 is the electricity getting device function composition block diagram of the utility model embodiment；
Fig. 3 is the total secondary side core structure of Multiple coil of the utility model embodiment；
Fig. 4 is the main circuit structure of the utility model embodiment；
Fig. 5 is the electricity getting device circuit sub-module schematic diagram of the utility model embodiment；
Fig. 6 is the electricity getting device control block diagram of the utility model embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
The invention discloses a kind of contactlessly powered electricity getting devices of automated guided vehicle, including fixed setting for Denso
The electricity getting device set and be arranged on automated guided vehicle, power supply unit and electricity getting device carry out electricity by contactless mode
Amount transmission；Wherein, electricity getting device includes the resonance circuit, rectification circuit and power conversion circuit being sequentially connected, power conversion electricity
Road is also connected with voltage regulator circuit and output interface；Resonance circuit generates electric current by high frequency magnetic field, and electric current passes through rectification
It is transmitted to power conversion circuit after circuit, and after the adjusting of voltage regulator circuit, is exported to load certainly by output interface
Dynamic guidance transport vehicle.Further, the resonance circuit in the electricity getting device of the utility model is the knot of the total secondary side magnetic core of Multiple coil
Structure adjusts the grade of output power by the switch being arranged in each winding.Further, Multiple coil secondary side altogether is used
Magnetic core coil design structure, it is characterised in that rectangle square hole is opened at ellipsoidal structure, center, winding uniform plane arrangement, layering around
System, centre are isolated using mica sheet.Further, coil magnetic circuit can be optimized using magnetic conduction item, appropriate magnetic conduction item of placing is in original
Sideline circle lower section, secondary coil top can shorten magnetic circuit, reduce edge flux.Magnetic conduction item selection simultaneously is main to consider magnetic conduction item
Magnetization curve, magnetic loss, geometric dimension and magnetic conduction item quality.The magnetic induction generated for the relevant parameter of magnetic conduction item, coil
Intensity should be less than magnetic conduction saturation magnetic induction, while should meet the requirement of magnetic hystersis loss in magnetic conduction type selecting.Further, practical
Power conversion circuit in novel electricity getting device includes inductance L, diode D, open the light pipe S and capacitor C, and open the light pipe S and capacitor C
It is connected in parallel between the positive output end of rectification circuit and negative output terminal, the one end inductance L is connected with the positive output end of rectification circuit, another
It holds and is connected with the pipe S that opens the light；Diode D setting is being opened the light between pipe S and capacitor C.Further, the electricity getting device of the utility model
In voltage regulator circuit include sample circuit, control circuit, driving circuit and accessory power supply；The sampling input terminal of sample circuit
It is connected with output interface, output end is connected with the input terminal of control circuit；The output end of control circuit passes through driving circuit and function
Rate translation circuit is connected；Accessory power supply is connected with sample circuit and driving circuit.
As shown in Figure 1, the contactlessly powered electricity getting device of the automated guided vehicle of the utility model embodiment, including fixation
The power supply unit of setting and the electricity getting device being arranged on automated guided vehicle, power supply unit and electricity getting device pass through contactless
Mode carry out charge transport；Wherein：
Power supply unit includes sequentially connected power supply, current rectifying and wave filtering circuit and high-frequency inverter circuit, on high-frequency inverter circuit
It is also connected with the primary side cable for generating high frequency magnetic field；Electricity getting device include the resonance circuit being sequentially connected, rectification circuit and
Power conversion circuit is also connected with voltage regulator circuit and output interface on power conversion circuit；Resonance circuit passes through high frequency magnetic
Field generates electric current, and electric current is transmitted to power conversion circuit after passing through rectification circuit, and after the adjusting of voltage regulator circuit, leads to
Cross output interface export automated guided vehicle to load.
As shown in Fig. 2, electricity getting device is by resonance circuit, rectification circuit, power conversion circuit, sampling and detection circuit, control
The part such as circuit, driving circuit, accessory power supply forms.
As shown in figure 3, meet the requirement of different capacity grade when designing resonance circuit, this system devise mostly around
The structure of the total secondary side magnetic core of group, being switched on different size of winding by switch S1, S2 may be implemented different power outputs.
Electricity getting device passes through induction primary side cable by the induction coil with magnetic core being mounted on automated guided vehicle
Magnetic field obtains electric energy, and resonance circuit is the structure of the total secondary side magnetic core of Multiple coil, is adjusted by the switch being arranged in each winding
The grade of whole output power.
The total secondary side magnetic core coil design structure of Multiple coil, it is characterised in that rectangle square hole, winding are opened in ellipsoidal structure, center
Uniform plane arrangement, is layered coiling, and centre is isolated using mica sheet.Coil magnetic circuit can be optimized using magnetic conduction item, it is appropriate to place
Magnetic conduction item can shorten magnetic circuit below primary coil above secondary coil, reduce edge flux.Magnetic conduction item selection simultaneously is main
Consider the magnetization curve of magnetic conduction item, magnetic loss, geometric dimension and magnetic conduction item quality.For the relevant parameter of magnetic conduction item, coil is produced
Raw magnetic induction intensity should be less than magnetic conduction saturation magnetic induction, while should meet the requirement of magnetic hystersis loss in magnetic conduction type selecting.
In the course of work of automated guided vehicle, due to the induction coil with magnetic core and the direct position of primary side cable
Relationship is constantly changing, and the induced electromotive force for causing induction coil to pick up always changes in a certain range.Therefore, incuded
The voltage come can not be directly connected to electrical equipment, it is necessary to could be in the form of constant pressure source after rectifying and wave-filtering and pressure stabilizing control
For power supply for electrical equipment.
As shown in figure 4, rectification circuit forms full bridge rectifier using diode rectification VD1-VD4, resonant inducing is arrived
High-frequency ac voltage become DC voltage, supply rear class power conversion circuit.Power conversion circuit by inductance L, diode D,
Switching tube S, capacitor C composition, when S conducting, coil-induced energy reduces, and load noenergy is exported to load；When S is closed,
Coil-induced energy transmission is given to load output according to S duty ratio size.
As shown in figure 4, sample circuit passes through small resistance, constantan wire or voltage Hall sampling and outputting voltage, output voltage warp
Cross after detection circuit is handled enter PIC16f873 single-chip microcontroller AD thief hatch, PIC16f873 single-chip microcontroller to sampled voltage into
Row processing.Control circuit part is realized in PIC16f873 SCM program, and AD mouthfuls are sampled with obtained voltage and carries out PI control
Device adjusts to change the duty ratio of circuit.Sample obtained voltage carry out after PI adjusting with the saw inside PIC16f873 single-chip microcontroller
Tooth wave is compared, and obtains driving signal, and driving circuit, which amplifies signal, carrys out driving switch pipe.
As shown in figure 4, output interface connection load, loads as AGV direct current generator.The effect of accessory power supply be to sampling and
Detection circuit, drive circuitry.In the present system, accessory power supply directly takes electricity from DC bus, without in addition using power supply
Power supply.
As shown in figure 5, electricity getting device is internally provided with entity corresponding with circuit used by each accommodation function module
Circuit, including input interface circuit, output interface circuit, resonance circuit, rectification circuit, power conversion circuit, control circuit, drive
Dynamic circuit, accessory power supply.Rectification circuit uses the full bridge rectifier of 4 diodes composition.Power conversion circuit includes inductance
L, diode D, open the light pipe S and capacitor C, the pipe S and capacitor C that opens the light be connected in parallel on rectification circuit positive output end and negative output terminal it
Between, the one end inductance L is connected with the positive output end of rectification circuit, and the other end is connected with the pipe S that opens the light；Diode D is arranged in the pipe S that opens the light
Between capacitor C.Voltage regulator circuit includes sample circuit, control circuit, driving circuit and accessory power supply；Sample circuit is adopted
Sample input terminal is connected with output interface, and output end is connected with the input terminal of control circuit；The output end of control circuit passes through driving
Circuit is connected with power conversion circuit；Accessory power supply is connected with sample circuit and driving circuit.
More analog- and digital- control method, digital mode is more flexible, and confidentiality is higher than analog hardware circuit,
And interference performance is strong, and noise margin is big, it is easy to accomplish complicated algorithm, cost performance are high, therefore this system is using digital
Control mode, main control chip use single-chip microcontroller PIC16f873, PIC16f873 is 8 embedded microcontrollers of high performance-cost ratio
Device.
As shown in fig. 6, electricity getting device feedback control system and controller chassis.Control block diagram mainly compares by feedback network, voltage,
The units such as controller, PWM driving are constituted.Wherein voltage compares is completed by main control chip by software with controller, output
It is poor that voltage is made after feedback network with given reference voltage, and into controller, wherein the design of controller affects system
Output accuracy and dynamic property use classics PI controller here.The output of controller is compared with the sawtooth wave inside PIC
Driving signal is obtained, signal is carried out by driving circuit and amplifies later control switch pipe.It is given when the voltage that sampling obtains is less than
When voltage, error voltage increases, and the output voltage of controller increases, and then duty ratio increases, so that output voltage becomes larger, thus
The voltage stabilization for making system achievees the purpose that closed-loop control realization stabilizes the output voltage, and the dynamic property that system has had.
The contactlessly powered electricity getting device of the automated guided vehicle of the utility model, realizes automated guided vehicle and passes through
Contactless mode carries out taking electricity, compared to traditional wired power supply and battery powered mode, greatly reduce wiring difficulty
With the maintenance cost of battery, the degree easy to use of device is improved；High-frequency ac voltage is converted into direct current by rectification circuit
Voltage, and the adjustment to output voltage is realized by voltage regulator circuit, keep output voltage more stable and accurate, it can be significantly
The scope of application of electricity getting device is improved, and accurate voltage output can be improved power quality, make the service life of device significantly
It improves.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (9)
1. a kind of contactlessly powered electricity getting device of automated guided vehicle, including solid power supply unit, primary coil and multiple AGV take
Electric installation, the power supply unit and the primary coil are fixedly installed and are connected with each other, the AGV electricity getting device and the original
Sideline circle is contactless, it is characterised in that：The power supply unit includes sequentially connected power supply, current rectifying and wave filtering circuit, high-frequency inversion
Circuit and resonant tank, the resonant tank are connect with the primary coil, and the AGV electricity getting device includes taking of being sequentially connected
Electric coil, resonance circuit, rectification circuit, power conversion circuit；The AGV electricity getting device by electricity taking coil and primary coil without
Contact electricity getting.
2. the contactlessly powered electricity getting device of a kind of automated guided vehicle according to claim 1, it is characterised in that：It is described
AGV electricity getting device includes input interface circuit and output interface circuit, the input interface circuit and the output interface circuit
Between be connected with resonance circuit, rectification circuit, power conversion circuit and voltage regulator circuit in turn.
3. the contactlessly powered electricity getting device of a kind of automated guided vehicle according to claim 2, it is characterised in that：It is described
Resonance circuit is the structure of the total secondary side magnetic core of Multiple coil, is in series on the secondary side magnetic core of each winding for adjusting output power etc.
The switch of grade.
4. the contactlessly powered electricity getting device of a kind of automated guided vehicle according to claim 3, it is characterised in that：Each
The secondary side magnetic core of winding is ellipsoidal structure, and its center is coaxially arranged with rectangle square hole.
5. the contactlessly powered electricity getting device of a kind of automated guided vehicle according to claim 4, it is characterised in that：Each
Magnetic conduction item is provided with below the corresponding primary coil of secondary side magnetic core of winding.
6. the contactlessly powered electricity getting device of a kind of automated guided vehicle according to claim 5, it is characterised in that：It is described
The saturation magnetic induction degree of magnetic conduction item is greater than the magnetic induction intensity that coil generates.
7. the contactlessly powered electricity getting device of a kind of automated guided vehicle according to claim 2, it is characterised in that：It is described
Rectification circuit is the full bridge rectifier of four diodes composition.
8. the contactlessly powered electricity getting device of a kind of automated guided vehicle according to claim 2, it is characterised in that：It is described
Voltage regulator circuit includes sampling and detection circuit, control circuit, driving circuit, accessory power supply, the sampling and detection circuit
Input terminal be connected with the output end of the output interface circuit, the output end and the control of the sampling and detection circuit are electric
The input terminal on road is connected, and the output end of the control circuit is connected by the driving circuit with the power conversion circuit, institute
Accessory power supply is stated to be electrically connected with the sampling and detection circuit and the driving circuit.
9. the contactlessly powered electricity getting device of a kind of automated guided vehicle according to claim 2, it is characterised in that：It is described
Power conversion circuit includes inductance (L), diode (D), the pipe that opens the light (S) and capacitor (C), the pipe that opens the light (S) and the capacitor
(C) it is connected in parallel between the positive output end and negative output terminal of the rectification circuit, described inductance one end (L) and the rectification circuit
Positive output end is connected, and the other end is connected with the pipe that opens the light (S)；The diode (D) is arranged in the pipe that opens the light (S) and capacitor
(C) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287164.0U CN208142937U (en) | 2018-02-28 | 2018-02-28 | A kind of contactlessly powered electricity getting device of automated guided vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287164.0U CN208142937U (en) | 2018-02-28 | 2018-02-28 | A kind of contactlessly powered electricity getting device of automated guided vehicle |
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| CN208142937U true CN208142937U (en) | 2018-11-23 |
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| CN201820287164.0U Expired - Fee Related CN208142937U (en) | 2018-02-28 | 2018-02-28 | A kind of contactlessly powered electricity getting device of automated guided vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130359A (en) * | 2020-01-15 | 2020-05-08 | 上海锵玫人工智能科技有限公司 | Power supply system for AGV |
-
2018
- 2018-02-28 CN CN201820287164.0U patent/CN208142937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130359A (en) * | 2020-01-15 | 2020-05-08 | 上海锵玫人工智能科技有限公司 | Power supply system for AGV |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20200228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |